2141850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 5401440

約数和(自身を除く): 3259590

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 109, 131, 150, 218, 262, 327, 393, 545, 654, 655, 786, 1090, 1310, 1635, 1965, 2725, 3270, 3275, 3930, 5450, 6550, 8175, 9825, 14279, 16350, 19650, 28558, 42837, 71395, 85674, 142790, 214185, 356975, 428370, 713950, 1070925, 2141850]

約数ペア:

[(1, 2141850), (2, 1070925), (3, 713950), (5, 428370), (6, 356975), (10, 214185), (15, 142790), (25, 85674), (30, 71395), (50, 42837), (75, 28558), (109, 19650), (131, 16350), (150, 14279), (218, 9825), (262, 8175), (327, 6550), (393, 5450), (545, 3930), (654, 3275), (655, 3270), (786, 2725), (1090, 1965), (1310, 1635)]